Syntheses, structure analyses, and reactions of 1,3,5-trioxepanes and related compounds
作者:Kevin J. McCullough、Araki Masuyama、Keith M. Morgan、Masatomo Nojima、Yuji Okada、Syuzo Satake、Shin-ya Takeda
DOI:10.1039/a802928h
日期:——
Acid-catalysed condensations of 1,5- or 1,6-dicarbonyl compounds with ethylene glycol give 1,3,5-trioxepane derivatives as a result of neighbouring participation by the adjacent carbonyl group during the acetalization process. With trimethyleneglycol, the related 1,3,5-trioxocanes have also been obtained. Reaction of the 1,3,5-trioxepanes with (a) Grignard reagents gives dialkyl-substituted cyclic